Single Flute Gundrill
Two Flute Gundrill
Stepped Gundrill
Gundrill Accessories
BTA Drill
BTA Drill Tube
Gundrill Repair
     
 
     

 
     
  - Optimized for machining 2-step hole of two different diameters at the same center with high precision
alignment.
- It has a disadvantage that overload happens during machining.